JP4939518B2 - Excavation apparatus and excavation method - Google Patents

Excavation apparatus and excavation method Download PDF

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Publication number
JP4939518B2
JP4939518B2 JP2008308074A JP2008308074A JP4939518B2 JP 4939518 B2 JP4939518 B2 JP 4939518B2 JP 2008308074 A JP2008308074 A JP 2008308074A JP 2008308074 A JP2008308074 A JP 2008308074A JP 4939518 B2 JP4939518 B2 JP 4939518B2
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Japan
Prior art keywords
mast
rod
excavation
carriage
excavator
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Expired - Fee Related
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JP2008308074A
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Japanese (ja)
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JP2009138518A (en
Inventor
リーデル オットー
ハッケル ステファン
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バウアー マシーネン ゲーエムベーハー
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Priority to EP07023381.2 priority Critical
Priority to EP07023381A priority patent/EP2067923A1/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/023Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting the mast being foldable or telescopically retractable

Description

  The present invention relates to a drilling device according to the preamble of claim 1 comprising a mast, a drilling carriage guided in a displaceable manner along the mast, and a drive unit for moving the drilling carriage on the mast.
  The invention further relates to a drilling method for constructing a drilling hole, wherein the first rod and the second rod are moved and in particular introduced into the ground with a drilling carriage guided on the mast. .
  There are usually two main modes of operation in this type of drilling rig, particularly used for deep hole drilling. One is excavation and the other is lining of the excavation hole with casing pipe. The first main mode of operation occupies the largest part of the operating time and involves drilling or pulling out the drill rod segment. In this case, the rod segment must be replaced quickly, during which the flushing of the drilling is interrupted. There is a risk of clogging the drill head.
  When a certain drilling depth is reached, the drilling holes are lined with casing pipes and hardened with concrete to resist the soil from the outside, stabilizing the drilling holes, for example various soil layers during gas or oil drilling It is necessary to prevent contamination. For this purpose, longer rod segments are attached, connected to each other and then hardened with concrete from the outside. For this reason, a large tension is required for the feeding system.
  A drilling device capable of moving a telescoping mast with a hydraulic cylinder is known from EP 0 114 146 A.
European Patent Publication No. 0 114 146 A
  An object of the present invention is to provide a drilling apparatus and a drilling method that enable efficient operation in different main operation modes.
  According to the invention, the above object is achieved on the one hand by a drilling device having the features of claim 1 and on the other hand by a drilling method having the features of claim 8. Preferred variants are described in the individual dependent claims.
In the excavator according to the present invention, the drive unit includes both the hydraulic cylinder drive and the rope winch drive , the excavation carriage can be connected to the hydraulic cylinder drive and the rope winch drive, and the excavation carriage has a desired supply. It can be operated by either a rope winch drive or a hydraulic cylinder drive depending on the advance speed or the required tension .

  By providing two different drive devices, different operating modes can be executed in an efficient manner. The hydraulic cylinder drive provides high feed and travel speeds, which have been found to be particularly advantageous during drilling or withdrawal of the drill rod segment. The other rope winch drive device can be used effectively during the lining of the excavation hole, for example, by inserting a casing pipe. These operations require a high tension feed system. This can be realized at low cost and in a compact manner by means of a rope winch drive device, and by using the rope winch drive device, a high tension with low tension is provided by multiple reeving of the hoisting rope, in particular based on the principle of the chain block. Available in advance.
  In principle, the excavation carriage can be connected to both the hydraulic cylinder drive and the rope winch drive in either mode of operation. However, according to the invention, it is particularly beneficial to install a coupling device that can alternately connect the excavation carriage to the hydraulic cylinder drive and the rope winch drive. This coupling device can be operated manually, for example, by an insertable retaining bolt, or automatically, for example, by a corresponding hydraulic cylinder that activates a locking mechanism of the excavation carriage.
  In accordance with the present invention, the mast has a mast base element and at least one telescoping mast element telescopically guided within the mast base element, and for the movement of the at least one telescoping mast element, the hydraulic cylinder It is particularly preferred that the drive device can be connected to the mast base element. Thus, the hydraulic cylinder driving device can be used not only for moving the excavation carriage but also for expanding and contracting the mast. The telescoping function of the mast has been found to be particularly beneficial for drilling rig setups that pivot the mast from a substantially horizontal transport position to a substantially vertical operating position. In this operation, the smaller the mast dimensions, the less lifting force is required. Further, mast extension is beneficial when using a casing pipe with a rod segment that is longer than the drill rod segment to cover the borehole after excavation.
  The high flexibility with respect to the path of travel of the excavation carriage is according to the invention that the excavation carriage is for the first guide for guiding along the mast base element and for guiding along the at least one telescoping mast element. This is realized in that it comprises at least one further guide. Nested mast elements have different shapes due to their nested function and are usually smaller than mast base elements. Here, in order to guide the excavation carriage with high reliability, the mast base element comprises a first guide different from the second guide on the telescopic mast element. These can in particular be rails or guide grooves. The excavation carriage is provided with corresponding slide shoes or guide shoes for the two guides, and when the mast is extended, the excavation carriage can move without moving from the mast base element to the telescopic mast element. . Depending on the number of nested mast elements installed, more than two guides may be provided.
  Furthermore, according to the present invention, the rope winch drive device is configured to include a rope winch disposed on the bed of the excavator and a rope guided via a mast head pulley device of the mast. With this configuration, a large tension can be applied to the excavation carriage through the mast head. This is especially true if the pulley device can transmit more force according to the chain block principle. By placing the rope winch on the bed of the excavator, the structure becomes firm and it is possible to apply force directly to the stable bed of the device.
  In this regard, it is particularly preferred that the rope winch drive can be connected to the mast in order to make the mast vertical and swivel from the vertical state. In this way, the rope winch drive can also be used to lift the mast from a substantially horizontal transport position to a vertical operating position. To do this, the rope must be removed from the excavation carriage and attached to the attachment point provided on the mast's rear strut device.
  According to the present invention, the hydraulic cylinder driving device has a stable structure in that it has at least one hydraulic cylinder disposed on the base of the mast. In addition to the connection point located at the base of the mast, the hydraulic cylinder also has another connection point that is removably fixed on the excavation carriage. For the telescoping function of the telescoping mast element, the removable fixing point of the hydraulic cylinder can be connected to the telescoping mast element and the telescoping mast element can be expanded and contracted.
  The excavation method according to the present invention is characterized in that the excavation carriage is moved by a hydraulic cylinder to introduce the first rod, and the excavation carriage is moved by a rope winch driving device to introduce the second rod. . The hydraulic cylinder drive allows high speed movement, which is particularly advantageous for the inner drill rod segment. One rope winch drive device makes it possible to apply a large feed force required during the introduction of the casing pipe.
  According to the invention, the first rod is advantageously an inner drill rod and the second rod is an outer pipe rod. A drill head is positioned at the ground end of the inner drill rod. The outer pipe rod can be used to cover the drill hole and harden it with concrete to reinforce the drill hole.
  Further, according to the present invention, the first rod is composed of the first rod segment, the second rod is composed of the second rod segment, and the length of the first rod segment is the second rod segment. Be shorter than the length of the rod segment, extend the telescoping mast element on the mast base element and extend before the introduction of the second rod, the second rod will extend the drilling carriage along the stretched mast It is preferable to introduce one segment at a time into the ground by moving it. Alternatively, the segment of the first rod may be longer than the segment of the second rod.
  The excavation method according to the present invention enables efficient operation in both main operating modes. For example, in drilling with a drill rod, the drilling carriage can be moved along only the mast base element. In this case, a shorter drill rod segment can be utilized. In the other main mode of operation, for example when a longer casing pipe is used as the second rod for lining the borehole, the mast can be extended for such a long rod segment.
  According to the present invention, all of the excavator and the excavation method can be realized, and in this excavator, the cost can be significantly reduced as compared with the conventional excavator having the same performance. This is because the size of the rope winch drive must be very large in order for the rope winch drive to achieve both the high hydraulic cylinder feed speed and at the same time the high feed force required. is there.
  The present invention has an effect that it is possible to provide a drilling device and a drilling method that enable efficient operation in different main operation modes.
  The invention will be further described in connection with a preferred embodiment whose outline is shown in the drawings.
  1 and 2 show a first excavator 10 according to the invention, which comprises a bed 12 in which a container-type power unit 14 for supplying energy and hydraulic pressure is arranged. A fork-shaped ground support means 16 is installed at the opposite end of the bed 12 and extends around the excavation hole frame 5. A mast 23 is rotatably connected to a leg portion of the fork-shaped ground support means 16 by a V-shaped bipod 20. On the rear side of the mast 23 in the direction opposite to the borehole frame 5, this mast is supported with respect to the bed 12 through a strut device 18 comprising a so-called A-trestle.
  At the transition from the mast 23 to the bipod 20, a substantially horizontally extending excavation table 22 having a box-shaped control station 62 is attached. Under the excavation table 22 supported by the struts 21 with respect to the fork-shaped ground support means 16, a blowout prevention means 60 with a corresponding attachment device is installed in a known manner for screwing and cutting of the individual rod segments. .
  In the illustrated excavator 10, the mast 23 is designed to be nested with the mast base element 24, in which the nested mast element 26 is guided displaceably. The mast base element 24 and the telescopic mast element 26 have rail-shaped guides on their front surfaces, along which the excavation carriage 50 including the rotary head 52 is guided displaceably on the mast 23. On the mast side, the digging carriage 50 is provided with a guide shoe as a first guide 54 and a second guide 56, each with a guide on the mast base element 24 or a guide on the telescoping mast element 26, respectively. 50 is linearly displaced with high reliability.
  According to the present invention, the excavation carriage 50 can be moved by both the hydraulic cylinder driving device 40 and the rope winch driving device 30. The rope winch drive device 30 includes a drum type rope winch 32 including a rotation drive device. The rope winch 32 is disposed between the fork-shaped ground support means 16 and the power unit 14 on the bed 12. A rope (not shown) is connected to the excavation carriage 50 along the mast 23 via a pulley device 36 by a displacement pulley 34 installed on the mast head 28. By the plurality of rope reeves in the pulley device 36, the tension for displacing the excavation carriage 50 on the principle of the chain block increases, and the displacement speed of the rope winch drive device 30 decreases to the same extent as the increase in tension.
  According to the present invention, the excavation carriage 50 can be connected to the hydraulic cylinder drive 40 in order to displace more quickly when the tension is lower. The hydraulic cylinder driving device 40 includes a hydraulic cylinder 42 extending along the U-shaped mast 23 in its internal space. The hydraulic cylinder 42 has a lower attachment point 44 and an upper attachment point 46. These attachment points 44, 46 allow the hydraulic cylinder 42 to be selectively connected to the base of the mast 23, the excavation carriage 50 or the displaceable telescopic mast element 26.
  In accordance with the present invention, the telescoping mast element 26 can be extended from the mast base element 24 to extend the mast 23, particularly when longer rod segments must be drilled or pulled out. Depending on the desired feed rate or the required tension, the excavation carriage 50 can be operated by either the rope winch drive 30 or the hydraulic cylinder drive 40.
  FIG. 3 shows a state in which the assembly of the excavator 10 is folded, and the mast 23 is connected to the fork-shaped ground support means 16 by a pivot joint 17 located at the lower end of the bipod 20. The rope winch drive 30 can be used to raise the mast 23 in the retracted state to reduce the force. For this purpose, the rope 33, which is only partially shown, is connected to the mast 23 by means of a folded strut device 18. In this way, the mast 23 can pivot from its horizontal transport position to a vertical operating position and vice versa.
  Another drilling device 10 is shown in FIG. The excavator 10 substantially corresponds to the excavator described above. Unlike the above device, in this case a different strut device 18 with a box-shaped intermediate element is selected.
  The excavator 10 according to FIG. 4 is shown with a machine commonly used at an excavation site. The first rod segment 71 is swung from a horizontal start position to a vertical position by a known handling device 70 and lifted to the same height as the excavation table 22. By means of the excavation carriage 50, the first drill rod segments 71 are screwed together to form the first rod and introduced into the ground one segment at a time. The removal of the first rod is performed in the reverse order.
  Furthermore, a second rod comprised of the second rod segment 72 can be introduced with the excavation carriage 50. In the illustration of FIG. 4, this rod segment is located in a pipe rod store. The length of the second rod segment 72 is greater than the length of the first rod segment 71. To move the longer second rod segment 72, the mast 23 can be extended as shown, so that when the excavation carriage 50 is moved in the direction of the upper mast head 28, the second The rod segments 72 can be received and introduced into the ground or withdrawn from the ground.
  5 and 6 show yet another excavator 10 according to the present invention. This device is substantially compatible with the excavator described above, and only the details of the different details will be described below.
  5 and 6, an integrated mast 23 having a fixed mast length is provided. The length of the mast 23 is designed to match the maximum expected length of the rod segment. In the case of shorter rod segments, only the excavation carriage 50 is moved to the required height on the mast 23 each time.
1 is a perspective view of a first excavator according to the present invention. It is a side view of the excavator of FIG. FIG. 2 is a perspective view of the excavator of FIG. 1 with a mast pivoted. It is a perspective view in the state where another excavation device according to the present invention was attached to the machine. FIG. 7 is a perspective view of another excavator according to the present invention. FIG. 6 is a front view of the excavator of FIG. 5.
Explanation of symbols
  5 Drilling hole frame, 10 drilling device, 12 bed, 14 power unit, 16 ground support means, 17 pivot joint, 18 strut device, 20 bipod, 21 strut, 22 drilling table, 23 mast, 24 mast base element, 26 telescoping mast Element, 28 Mast head, 30 Rope winch drive, 32 Rope winch, 33 Rope, 34 Displacement pulley, 36 Pulley device, 40 Hydraulic cylinder drive, 42 Hydraulic cylinder, 44, 46 Attachment point, 50 Excavation carriage, 52 Rotation Head, 54 first guide, 56 second guide, 60 blowout prevention device, 62 control station, 70 handling device, 71, 72 rod segment.

Claims (10)

  1. With the mast,
    A digging carriage guided displaceably along the mast;
    A drive unit for moving the carriage on the mast;
    A drilling rig comprising:
    The drive unit has both a hydraulic cylinder drive and a rope winch drive,
    Drilling carriage can be connected to the hydraulic cylinder drive and the rope winch drive, depending on the desired KyuSusumu speed or required tension Rukoto can be manipulated by any of the rope winch drive or a hydraulic cylinder drive device Drilling rig characterized by.
  2. The excavator according to claim 1,
    A digging apparatus characterized in that a coupling device is installed, whereby the digging carriage can be alternately connected to a hydraulic cylinder driving device and a rope winch driving device.
  3. The excavator according to claim 1,
    The mast includes a mast base element and at least one telescoping mast element nested within the mast base element;
    Excavator, characterized in that a hydraulic cylinder drive can be connected to the telescopic mast element for moving at least one telescopic mast element.
  4. The excavator according to claim 3,
    The excavation carriage comprises a first guide for guiding along a mast base element and at least one other second guide for guiding along at least one telescoping mast element Drilling rig to do.
  5. The excavator according to claim 3,
    The rope winch drive includes a rope winch installed on a bed of the excavator and a rope guided through a pulley device on the mast head.
  6. The excavator according to claim 1,
    The excavator characterized in that the rope winch drive device can be connected to the mast to turn the mast.
  7. The excavator according to claim 1,
    The hydraulic cylinder driving device includes at least one hydraulic cylinder disposed at a base portion of a mast.
  8. In the first rod and the second rod are moved and introduced into the ground together with the drilling carriage which is guided on a mast, borehole construction excavation method for realizing drilling device according to Motomeko 1 There,
    In order to introduce the first rod, the excavation carriage is moved with a hydraulic cylinder drive,
    An excavation method wherein the excavation carriage is moved by a rope winch drive to introduce the second rod.
  9. The excavation method according to claim 8,
    The drilling method, wherein the first rod is an inner drill rod and the second rod is an outer pipe rod.
  10. The excavation method according to claim 8,
    The first rod is composed of a first rod segment, the second rod is composed of a second rod segment,
    The first rod segment has a length less than the length of the second rod segment;
    Before the introduction of the second rod, the mast was extended,
    The excavation method, wherein the second rod is introduced into the ground one segment at a time by moving the excavation carriage along the extended mast.
JP2008308074A 2007-12-03 2008-12-03 Excavation apparatus and excavation method Expired - Fee Related JP4939518B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07023381.2 2007-12-03
EP07023381A EP2067923A1 (en) 2007-12-03 2007-12-03 Drilling mechanism and drilling method

Publications (2)

Publication Number Publication Date
JP2009138518A JP2009138518A (en) 2009-06-25
JP4939518B2 true JP4939518B2 (en) 2012-05-30

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US (1) US7905300B2 (en)
EP (2) EP2067923A1 (en)
JP (1) JP4939518B2 (en)
KR (1) KR101085846B1 (en)
CN (1) CN101451427B (en)
AT (1) AT487848T (en)
BR (1) BRPI0805244A2 (en)
CA (1) CA2643310C (en)
DE (1) DE502008001755D1 (en)
EA (1) EA013805B1 (en)
ES (1) ES2353841T3 (en)
PL (1) PL2067924T3 (en)
SG (1) SG153020A1 (en)
UA (1) UA89592C2 (en)
ZA (1) ZA200809695B (en)

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EA013805B1 (en) 2010-08-30
CA2643310C (en) 2012-04-03
EP2067924A1 (en) 2009-06-10
SG153020A1 (en) 2009-06-29
ZA200809695B (en) 2009-11-25
KR20090057919A (en) 2009-06-08
KR101085846B1 (en) 2011-11-23
EA200802219A1 (en) 2009-06-30
EP2067923A1 (en) 2009-06-10
AT487848T (en) 2010-11-15
BRPI0805244A2 (en) 2009-07-28
CN101451427A (en) 2009-06-10
US20090139731A1 (en) 2009-06-04
UA89592C2 (en) 2010-02-10
CA2643310A1 (en) 2009-06-03
EP2067924B1 (en) 2010-11-10
JP2009138518A (en) 2009-06-25
PL2067924T3 (en) 2011-03-31
US7905300B2 (en) 2011-03-15
CN101451427B (en) 2012-11-14
ES2353841T3 (en) 2011-03-07
DE502008001755D1 (en) 2010-12-23

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